Strategies to mitigate the impact of work disruptions include time management and boundary setting, according to Tulane’s Greg Oldham,Carol Kulik of University of South Australia and Florida State University’s Lee Stepina. They suggested that employees:

One well-validated measure of Selective Visual Attention (SVA) is the d2 Test of Attention, rapid trials of a manual letter cancellation task, developed by Rolf Brickenkamp and Eric Zillmer of Drexel University.
Participants Tine and Butler’s investigation indicated when they observed the target character among visual distractors.